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Divesture of Business - Schedule of Details of Losses Reported for Physician Services (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Tax benefit (provision) $ 0 $ 0 $ (3,180)
(Loss) income from discontinued operations 0 $ 0 $ (5,007)
Physician Services Business [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net revenues 864    
Operating cost 1,537    
Gross margin (673)    
Direct general and administrative expenses less proceeds 1,176    
Write off goodwill and other intangible assets 6,338    
Loss from discontinued operations, before tax (8,187)    
Tax benefit (provision) 3,180    
(Loss) income from discontinued operations $ (5,007)